inverse.c File Reference

#include <math.h>
#include <grass/libtrans.h>

Include dependency graph for inverse.c:

Go to the source code of this file.

Macros
#define	EPSILON   1.0e-16
#define	N   DIM_matrix
#define	ZERO   1.0e-8

Functions
int	inverse (double m[N][N])
int	isnull (double a[N][N])

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Macro Definition Documentation

#define EPSILON   1.0e-16

Definition at line 5 of file inverse.c.

Referenced by find_all_intersections(), get_diag_intersects(), get_horz_intersects(), get_vert_intersects(), inverse(), and order_intersects().

#define N   DIM_matrix

Definition at line 8 of file inverse.c.

Referenced by btree_update(), G_str_replace(), G_update_cell_stats(), G_window_percentage_overlap(), inverse(), isnull(), N_callback_gwflow_2d(), N_callback_gwflow_3d(), N_callback_solute_transport_2d(), N_callback_solute_transport_3d(), N_create_27star(), N_create_5star(), N_create_7star(), N_create_9star(), RTreeAddBranch(), RTreeInitNode(), RTreeNodeCover(), RTreePickBranch(), RTreeSearch(), and Vect_point_in_box().

#define ZERO   1.0e-8

Definition at line 121 of file inverse.c.

Referenced by isnull().

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Function Documentation

int inverse

(

double

m[N][N]

)

Definition at line 17 of file inverse.c.

References EPSILON, isnull(), and N.

Referenced by compute_transformation_coef().

int isnull

(

double

a[N][N]

)

Definition at line 127 of file inverse.c.

References N, and ZERO.

Referenced by inverse().